Buy from Amazon.com : http://fave.co/1Hv9eIx

Replacement EN-EL14 Ultra High Capacity Li-ion Battery For Nikon D5100 D3100 and D3200 P7100

Product Description :
Made with info-chip which can show remaining time on the cameras LCD It also can be charged by Nikon original charger
EN-EL14 1030 Mah Lithium Ion Battery Fully Decoded - Replaces Nikon EN-EL14 A spare rechargeable battery is an essential accessory No power no pictures